1706345 has 4 divisors (see below), whose sum is σ = 2047620. Its totient is φ = 1365072.

The previous prime is 1706323. The next prime is 1706363. The reversal of 1706345 is 5436071.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 712336 + 994009 = 844^2 + 997^2 .

It is a cyclic number.

It is not a de Polignac number, because 1706345 - 2⁶ = 1706281 is a prime.

It is a super-2 number, since 2×1706345² = 5823226518050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170630 + ... + 170639.

It is an arithmetic number, because the mean of its divisors is an integer number (511905).

2^1706345 is an apocalyptic number.

It is an amenable number.

1706345 is a deficient number, since it is larger than the sum of its proper divisors (341275).

1706345 is an equidigital number, since it uses as much as digits as its factorization.

1706345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341274.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 1706345 is about 1306.2714113078. The cubic root of 1706345 is about 119.4966181941.

The spelling of 1706345 in words is "one million, seven hundred six thousand, three hundred forty-five".